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GB/T 31964-2015: Lanthanum chloride anhydrate
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Lanthanum chloride anhydrate
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GB/T 31964-2015
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Basic data | Standard ID | GB/T 31964-2015 (GB/T31964-2015) | | Description (Translated English) | Lanthanum chloride anhydrate | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,738 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Quoted Standard | GB/T 606; GB/T 3050; GB/T 8170; GB/T 12690.10; GB/T 12690.11; GB/T 12690.1; GB/T 12690.12; GB/T 12690.13; GB/T 12690.14; GB/T 12690.15; GB/T 12690.16; GB/T 12690.17; GB/T 12690.2; GB/T 12690.29; GB/T 12690.3; GB/T 12690.4; GB/T 12690.5; GB/T 12690.6; GB/T 12690.7; GB/T 12690.8; GB/T 12690.9; GB/T 14635; GB/T 16484.16; GB/T 17803; GB/T 18115.1; HJ 537 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the requirements of anhydrous lanthanum chloride, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate. This Standard applies to chemical or anhydrous lanthanum chloride obtained by other methods for the production of scintillation crystal materials, catalytic materials, fluorescent materials and other functional materials and lanthanum and lanthanum metal smelting raw materials. | GB/T 31964-2015: Lanthanum chloride anhydrate---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Anhydrous lanthanum chloride)
ICS 77.120.99
H65
National Standards of People's Republic of China
Anhydrous lanthanum chloride
Issued on. 2015-09-11
2016-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) and focal points.
This standard is mainly drafted by. Baotou Rare Earth Research Institute, Baotou City Presidential New Materials Co., Ltd., Hunan Yiyang Hongyuan Rare Earth Co., Ltd.
the company.
The main drafters. Zhang Ruixiang, Hao first library, Xu Tao, Xie Ping, Maxian Dong, Xuzong Ze, Chen Minxuan, Hucai Juan, Chen Yuehua, pigeon Xu Ming.
Anhydrous lanthanum chloride
1 Scope
This standard specifies the requirements of anhydrous lanthanum chloride, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate.
This standard applies to dry lanthanum chloride chemical or other methods prepared for the production of scintillation crystal material, the catalytic material, a fluorescent material
Materials and other functional materials and lanthanum and lanthanum metal smelting raw materials.
2 Normative references
The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 606 chemical reagent Moisture common method Karl Fischer method
GB/T 3050 General method for determination of chloride content of inorganic chemical products
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa
Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total
16484.16 rare earth chloride, Part 16 GB/T carbonate chemical analysis of rare earth. rare earth chloride in determining the amount of water insoluble
Gravimetric method
GB/T 17803 grades representation of rare earth products
GB/T 18115.1 of the rare earth metals and their oxides impurities in chemical analysis methods cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium,
Dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content
HJ537 water quality ammonia by Distillation - neutralization
3 Requirements
3.1 Categories
Products are divided into three grades according to chemical composition, LaCl3 (Anhydrous) -4N, LaCl3 (Anhydrous) -3N, LaCl3
(Anhydrous) -2N5, product grades representation shall comply with GB/T 17803 of.
3.2 Character Grade Description and examples
GB/T 17803, lanthanum chloride anhydrous lanthanum chloride grade from the suppliers, Arabic numerals and letters according to specific. It is divided into two layers
Times, including the first level of the product with the formula indicated in parentheses Anhydrous means that the product does not contain crystal water in order to show and chloride hydrate
La difference crystal products; the second level indicates that the product level (specifications), lanthanum chloride, lanthanum oxide accounts for a relatively rare form of total purity
Said, when the relative purity rare earth products (mass percentage) is equal to or greater than 99%, the percentage of the mass of "9" plus the number "N" to the table
Shows ( "N" is the first letter of the English number 9), such as the 99% represented by 2N, 99.995% with 4N5 representation; for a relatively rare purity (mass percentage
Score) the same, but other components (including impurities) percentage requirements of different products, can finally adds a capital letter A in the set of grades,
B, C, D represent, to show the difference, relative purity rare earth (mass percentage) less than 99% of the product, its quality percentage rounded
After rounding method to take the first two digits indicate when the mass percentage of only one digit is used rounded rounded rounded, then the
Plus before the number "0" to make up two digits. In between the first level and the second level with a "-" separated.
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